The authentication plugins operate when users login to your site or administrator. The Joomla! authentication plugin is in operation by default but you can enable Gmail or LDAP or install a plugin for a different system. An example is included that may be used to create a new authentication plugin. Default on: Joomla Help Default off: Gmail Help LDAP Help

This module allows you to display the articles in a specific category. Help {loadmodule articles_category,Articles Category}

This module displays a list of categories from one parent category. Help {loadmodule articles_categories,Articles Categories}  

This module shows a list of the calendar months containing archived articles. After you have changed the status of an article to archived, this list will be automatically generated. Help {loadmodule articles_archive,Archived Articles}

All components are also used in the administrator area of your website. In addition to the ones listed here, there are components in the administrator that do not have direct front end displays, but do help shape your site. The most important ones for most users are Media Manager Extensions Manager Menu Manager Global Configuration Banners Redirect   Media Manager The media manager component lets you upload and insert images into content throughout your site. Optionally, you can enable the flash uploader which will allow you to to upload multiple images. Help Extensions Manager The extensions manager lets you install, update, uninstall and manage all of your extensions. The extensions manager has been extensively redesigned, although the core install and uninstall functionality remains the same as in Joomla! 1.5. Help Menu Manager The menu manager lets you create the menus you see displayed on your site. It also allows you to assign modules and template styles to specific menu links. Help Global Configuration The global configuration is where the site administrator configures things such as whether search engine friendly urls are enabled, the site meta data (descriptive text used by search engines and indexers) and … Read More